import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

/**
 * @ClassName test
 * @Author mengjiafeng
 * @Date 2019/10/31 14:08
 **/
public class test {
    public static void main(String[] args) {
        //创建一个线程池，它可安排在给定延迟后运行命令或者定期地执行。
        ScheduledExecutorService pool = Executors.newScheduledThreadPool(2);
        //创建实现了 Runnable 接口对象，Thread 对象当然也实现了 Runnable 接口
        Thread t1 = new MyThread();
        Thread t2 = new MyThread();
        Thread t3 = new MyThread();
        Thread t4 = new MyThread();
        Thread t5 = new MyThread();
        //将线程放入池中进行执行
        pool.execute(t1);
        pool.execute(t2);
        pool.execute(t3);
        //使用定时执行风格的方法
        pool.schedule(t4, 10, TimeUnit.MILLISECONDS);  //t4 和 t5 在 10 秒后执行
        pool.schedule(t5, 10, TimeUnit.MILLISECONDS);
        //关闭线程池
        pool.shutdown();

    }
}

class MyThread extends Thread {
    @Override
    public void run() {
        System.out.println(Thread.currentThread().getName() + "正在执行。。。");
    }
}
